Spring motor



jam. 3 5, 19240 l ffj C. B. COLLNS sPRlNG MOTOR 2 Sheetsheet 1 #will FGM@l v C. B. COLLINS SPRING MOTOR 2 Sheets-Sheet 2 Original Filed Feb. 241920 la @no o SALE." l

CAP B. COLLINS, OIF FRANKLIN, ENJSYLVNEA, ASEG-NUR T0 CULLENS :SFETYRAZORS, OF CHCAGO, ILLINQES, A UOBSMN LLW BUSENESS GTR ST.

SPRXNG MOTOR.

Application @ed February 24, 1920, Serial. Ho. 366,87; Renewed une i8,lS-ZS.

To aZZwzo/m, t may concern: i

Be it known that l, CAP B. COLLINS, a citizen of the United States7residing at Franklin, in the county ot' Venango and State 'ofPennsylvania, have invented cer-- tain vnew and useful Improvements inSpring Motors, of which the following is a specication.

My invention lconcernsfnoveland advantageous improvements inspring-motors and concerns particularly, but not restrictedly, motors'of this type whose speed is main tained substantially uniform orconstantby a suitable governor or controller, such, for example, as oneof the centrifugal type. Such motors are adapted 'for convenient andsatisfactory employment in many re'lations, for instance in the handlesof powerdriven razors telephone time-limit meters7 and similarappliances. `When used for actuating rotary razors, or example, .themotor is housed in and operatively connected to a divided or sectionalshell or casing and is'wound up b turning -one of such elementsrelatively to t e other.

Various features of advantage also accrue from the particular manner ofmounting 4and co-relating the various elements of the mechanism all ofwhich will be readily understood from a study of the features ofconstruction and operation of a preferred embodiment of the inventionwhich has been fully illustrated in the accompanying drawf ing forming apart of this speci catlon and throughout-the views of which like refer-.y ence characters yrefer to the same parts.

lIn this drawing:

i vFigure 1 is a fragmentary, central, vertical section through themotor and its casing vor housing on line 1-1 of Figure 2;

Figure 2 is af horizontal section taken on line 2 2 of'F i re l, themanuallypperable stop 'or braid being omitted.

Fi ure 3" is a horizontal section illustrating t le retaining device inplan;

Figure @is a plan view of the centrifugal governor and. i;

-Ifig'ure 5 is a plan of the top frame 'member.

.Referring to the drawing` it wilt-boobserved that the applianceincludes a support-plate of irre ular shape connected at one or more ofits t fee outstanding ears,

as shown in Figure 2, to'the inside of the.

one-lor upper` element of an enclosing casing or housing. Mounted onsuch plate by a screw 14 is a sleeve l2 provided with a circular flange13 lying on the top of plate el() andlinto a threaded aperture of whichthe retaining screw le tits. lnside of sleeve 12 l provide a central,stationary post l5, the two parts 12 andl being ixedly secured togethervin any approved manner' as by a transverse tapered pin 16.

Revoluble on the stationary post l5 below the sleeve 12 l use a sleeve17 which is held in position lengthwise on the post by the enlarged headof a screw 18 taking into a threaded hole 19 in the end or" the post.'

Such 'sleeve 17 is turned to wind up?, the spring-motor as hereinafterindicated by means of an internally-threaded collar 20 screwed on areduced, threaded, end portion of the4 sleeve, the circular oroutstanding flange of such collarbeing secured'as by solderingy orotherwise to the inner face oit' the other or companion registered shellor casingiineinber 22, the opposed housing vele ments 11 and 22 having acircular overlapping joint 23 at their edges. A nut-24H5 screwed on tothe part 2l oi? che sleeve i7 between a shoulder of the latter and 'thethreaded collar 20, such nut holding in positiona spring drum or barrel25 having at one end a part 26 bearing on the nut 24 and revoluble onthe cylindrical portion of the sleeve. As is- 'clearly illustrated .inFigure l the barrel 25 has an internal circular shoulder 27 supportinga, top disc 28 pro-j vided centrallys with a round or annular flange 29revoluble on lthe sleeve 17 and Sli bearing at its end'against the sideor under Alot the spring being fastened to the element 25 in anyapproved manner, not shown.

(lo-operating with the teeth oit the ratchet- Wheel 30 l: vemployy asuitablyshaped doubletooth pawl 33 pivoted at 34 on thev under side ot'the main supportingplate le@ lteeth of which are in mesh with those oi'a small gear' 36 on a shaft 37 revoluble in a suitable bearing in theplate l0 and an aligned hearing 38 in an upper supportingplate 39carried on a plurality ot posts 40, il rising from the underlying plate10. Shaft 37 is equipped with a relatively-large gear 42 in mesh withthe teeth of a gear 43, the teeth ot" which are out in a duplex sleevecomposed of two intertitted parts 80 and 8l secured together andaccommodated between a portion. ot' the post 15 and a hollow cylindricalpart 82 of the fined sleeve vl2, a part ot such element 82 heilig outaway at one side at 4A whereby the gear 42 may ein tend through suchopening,- and be in cooperative relation with the teeth of the smallgear 43. rlhe portion 82 ot the compound sleeve driven by thespring-motor by means of the mechanism designated may `loe employed torotate any mechanism desired, such, for instance, as the rotaryiioladeof a razor, but, of course, the particular means yoperated by such geariso little importance so `tar as this invention is concerned.

To render the speed of rotation of the gears 42 and 43 uniform andsubstantiallyunvarying, it is necessary to provide the mechanism with asuitable governor or controller and this comprises the followingcooperating instrumentalities. Gear 42 is in mesh and drives a smallergear 45 on a shaft 46 revoluhle in bearings in the spaced supportingplates 10 and 39, and a gear 47 on Such shaft revolves a smaller gear 48on a shaft i9 in similar manner revoluble in hear* ings of the same twoplates, such shaft being equipped with a gear 50 the teeth of whichco-operate with those of a smaller gear 5l onA a shaft 52 rotatable inbearings of the two plates, this shaft having thereon a spiral gear the'teeth of which are in (ro-active relation with an elongatedspiral-geeion a shaft 55 rotatable in hearings in ears or lugs 56 and 57lient up troni the plate l0, an end-thrust bearing 58 'beingY providedadjacentto the ear 57 against which the end et shat't 55 hears.

The speed ot rotation of the 2ejem-innr and consequently the control ofthe umrinding o't the motor-spring 3l is eifected h v means of ahi'alie-inechanism which applies a restraining1 influence when the speedheroines too high andl removes or decreases it when the speed is toolow, thus rendering', the rotation of the various shafts and gearssuhstuntially uniform.

To this end a relatively-stational-y arm 59 is adjustable around itsfulcrum or pivot pin 60 screwed into a threaded hole oi the upper plate39, such lever 59 being secured in adjusted position by means ot' ascrew 6l :insonne taking into athreaded hole of the plate 39 andextended through a slot 62 of the erm 59. At the free end oftirol-fitter above the shaft 55 it is equipped vwith a fiber or otherfriction block 63 adapted to bear against the side face of a frictionbrake disc 64 forming a part of a sleeve 65 slidably mountedon the shaftl55 and having a cavity 67 in an enlarged portion 66 accommodating acoil expansion-spring 68 bearing at one end against a collar 69 xed tothe shaft 55 in any approved manner, as by pinning. The enlarged portion66 of the slidable sleeve has two sets of spaced projections or lugs 70between which weight arms 72, 72 are fulcrumed or pivoted at 7l, 7 leachof such arms having a tail portion 73 adjacent to a circular dan e 74 onthe sleeve 69.

In order t at the motor may be readily started and stopped, the housingor casing element 11 is slotted at 90 for the accommodation of a slidingfinger-piece 9i roughened externally and 'rictionally held in positionby means of a stud 92 secured thereto and extending inwardly through theopeningr 90, the threaded portion of the stem being equipped with a pairof nuts 93, 93 bearing on a washer 94 between which and the inner faceof the shell or casing element is a washer of leather 95 or othersuitable compressible material and a dat leaf-spring member 96 aperturedfor the accommodation of the stud and bent to provide an exi tension 97adapted to be shifted into and out of engagement with the periphery yof.the friction or bralre disk 64.

The operation of the appliance will be readily understood from thedetailed description of the construction and its various parts but maybe summarized as follows:

To wind up the motor, the operator holds the casing element 11 inonehand and turns the other 22 relatively thereto, the rotation of thelatter effecting" the turningl of the sleeve "i7 and the winding of thespringT h v reason of the connections between them at 32, unwindin;r ofthe spring` 3l beingr prevented hy reason of the co-aetion of the pawl33 with the ratchet-wheel 3() carried by such sleeve. Ais `soon as thebrake spring 97 is shifted away from the friction-disc G4 by sliding`the finger-piece 91 in the proper direction in the slot 9() of thecasina or housing element 1l, the springT 3l will be- `fin to unwindfrom its outer end. its inner end heine` held against rotation, and willrevolve the barrel 23 and'its internahgear 35, the rotation of which. istransmitted through 2gear 36, shaft 37, and gears 42, 43 to the hollowshaft or Sleeve element 80. 81, from -which the power may be taken offto drive any mechanism desired.

, The speed of rotation of these parts is, of coursecontrolled and'regulated by the action' of the eentrifugallvoperated weight lll):if-momo arms 72, 72 which Wiii foe thrown outmore or less dependingupon the Spee@ of roteton of shaft 55. If the speed becomese2:- cessive,the feet 73 wil?. engage ehe ixe enge 74 byleesou of the omtweid movement of the erms72 and poli he sieeve $5 to the left, as the perte ereviewed in Figure 2, time increasing the brekingpreesue of "chefrictiondiSc 64 on die fibel' or other element 63. Ae sooiieehe Speefi.decreases because of the'sligha movement of tile sieeve to the right, asis pezmi'ttc thi'ough ehe movements of the por'eions 73 of the arme 72irelesive to the Harige 74. The trein of eers which drives the shaft 75:from he i gear e2 constiiutes meieiy speed iieefw ing mechanism ofusual #b5/pe so es tio' Hieke eveileaie a miie of rotation euieee andproper for the operation of e cenivifugeigravamen'.A I t The Mwension ienot hmied or feeuicted to the precise and execs? features of construction set forth in {ieeii above :md iifoe treteci fully in 1the{lire-wiiig;y because these may vbe modiied within compmetiveiy Widelimie without iepareure fiom the iiceft and xessence of the inveiieii'mend without the sacrifice of any o iis eubetnntiei benefits endedventeges,

cieim:

1. inem :appliance of ehe chomcec de scribeii, the co-miiiiietion ofcasing comn pose@ of regieeeriig sections formed to oveiiep oneeiicbiier et their meeting edges end capable of rotation 'eieeiveiy @toone m1- otbei, e'springmoio ceieieci by one of seid sections, e, sietToteted by the unwiiiding of the spring of seid motor, goveirnog meansto rener the speed of oetion of said shaft subsfentieiiy comme@ meansrio effect Winding of the motor upon 'feieve rotation of seid secione,subsaeotieily es described.

2. In im appliance of the cherecter descrlbeii, combination of o casingcomposed o reggiseeliiig eecione cepabie of 'rctatloii ifeleiweiy io coeenodiei9 :i spying .meier carried by one of Seid sections, e

she'; roteeci by @the uifiwindingP of the spring of eine motor, meansi'o effect Wmdspling of the motor, means to eiect winding of the motorupon relative roem In o Seid Sections, e friction-Mak, a brekeehoecoaciiig Wiih seid disc, centiifugaliy-acteamed weight, memos to ifotetesei-t! disc md 'Weight from the motel', mesme; whereby Seid weigiieshifts end disc :axially toward from seid brake-Shoe, and amanueilyopeme breke-eiemeiit adapted to be moved imo and out offrictionai engagement Wigii seid disc, eubstentieliy as desciribeei Inen appliance of the character de sciibefi) the combination olf e casingcomposed of registering' sections capable of rotation relatively io cioeanother, e springmotcr cef'iefi by one of seid sectionsy e Sina@ ioeeeby the unwinding of the Spring of the mortel, means no efec wnlinff of'ifie moto? upon feietive rotation of sui secions, e friction-disc, eever, a brake shoe ceiiedy by seid lever end cci-acting with side ofseid discj meme peimieing ecjosiioem of the positie-i1 of said levermici beiieeiioe, a centriiugeiiy-acuoted Weightj ,means to rovete seidisc and weight imm Seid meier, mee-ne whereby seid weight shii/s seiddisc axially toward end from seid 'brekem me, end e mamieHy-Qpeebie'bieiieelement edeptedlto be moved into and out ci' 'icionel engagementWith the edge o seid liec, eubeenieiiy es ciescribed.

en appliance of the character deseroe the combioetionof e post, e,sleeve revoiube on seid poet,v e, coil-spring having its ilme eedconnected to seid sleeve, ineens to time seid sieei'e on she poetic Windup che Sping, 'io preventbackwerd r0- mtion of the sleeve on the post,e. Spring barre/ connecea ce the oiitei eli-d of the Spriiiff andievoiube on said eiee've end roteed oy the unwinding the spring, esecomi sleeve on said post, and gearing coiw meeting seid. borrel. andsecond. sleeve Where internal-gear mouned on seid epiinghee 'ei,Substzmiieiy described.

G. lin ,am :iij'iiienoe of fiie' chei'ecte e scribed, abile combinaon ofe, casing; composeo. oi"- egieeering sections cepebie of o minionreietiveiy, ilo one another, e post cer fied by one of seid sections,Sie-eve revolw ble on posi; emi cmumece io *che other casing' section, ecoil-spying in seid. eee* ioiie caeing 11e-ving iinner end ccieeed to@aid seeve, meen-e to prevent bockwerd roteeon of the sieeve on. thepesi, geering operated by 'che out/ei? enel of the spring end roetefi bythe unwinding of the spring; e governoi conroiling the unwinding of thewh/ed by Said gearing, substantially as de scfcibed.

7. Xn im appliance of the cha-mete? deecribeytiie combination of e.casing com- A spring, and e second sleeve on Said post reposed ofregistering Sections capable of rotation relativeiy to @ne another, apost oarried by one of said sections, e sieeve revoluble on said poetarid connected @o the othei casing section, a mii-spying having iis in-Berend connected to seid sleeve, e. ratchet wheel rot-ated by saliciSleeve, a pewi co-opeuting with Said ratchet-Wheel to pevent backwardi'otatioii of he eieeve on the post, a, spiking-band connected to theoute' end of the spring and revolubie on said sleeve, a. second Sleeveon said post, and gearing connecting Sai-d spring-barrel and secondsleeve 'whereby the motor revolves the ettei', the spring being Woun upby the turning of one of said Casing sections relatively to the ofher,substantially as described.

8. in an appliance oit' the character 'de- Scribed, the combination 'ofAsi relativelyxed poet, an apertuz'e sleeve fixed to and surroundingsaid postg a second revoiubie driven sleeve between seid post and sieevehaving; geef-teeh thereon, a biid Sleeve :cevoluble on seid post, ecoil-spying having its inner end conneceo said third sleeve. means torotaie seid third sleeve to Wind i ,eeoeee up the sprixigygearingconnected to the outer end of said Spring and projecting through theaperture of said irst sleeve and in mesh wih the gear of said Secondsleeve, and a governor controiiing the Speed of rotation of said drivenSleeve, Substantially as described.

9. n an appiianoe of the ohai'eoter descibed, the combination of aeasing composed of egisteiring sections ce,` able of rotation relativelyto one emot er, a post mounted on one of said sections, en aperturecsleeve xed to and surrounding said oost, e secondi reveiubie drivensieeve begyveen said posi: and sieeve having gear teeth thereon, a,third sleeve revoluble on Said posi', and opei'e'iveiicoiixieoted totheother casing seoioin` a, ooi epimg'heving its inner end connected toSeid third sieeves gearing connected @e the outer en ofeeid- Iing' andprojecting houg'h the epeitue iis; sleeve and in mesh with thegeer'ofs'aid Second ciiven sleeve, and e governor lcoinoiling he speed 'ofrotetion of said diiven sleeve, substantiel@ es described.

SAP B. CQLLNS.

